Mahavatar Babaji : - Actor Rajnikata's guru :;- There are very few accounts of Babaji's childhood, one source of information is book Babaji and the 18 Siddha Kriya Yoga tradition by Marshall Govindan. According to Govindan, Babaji was named Nagaraj (king of serpents) by his parents. V.T. Neelakantan and S.A.A. Ramaiah founded on October 17, 1952, (they claim - at the request of Babaji) a new organization, "Kriya Babaji Sangah," dedicated to the teaching of Babaji's Kriya Yoga. They claim that in 1953 Mahavatar Babaji told them that he had been born on 30 November 203 CE in a small coastal village now known as Parangipettai, in Tamil Nadu, India] Babaji's Kriya Yoga Order of Acharyas Trust (Kriya Babaji Sangah) and their branch organizations claim his place and date of birth. He was a disciple of Bogar and his birth name is Nagarajan.
In the writings of Paramahansa Yogananda in his Autobiography of a yogi, Lahiri Mahasaya and Yukteshwar there were many references made about Mahavatar Babaji. There were many many saints who had written or mentioned Babaji. Babaji is referred to an asmaha avatar, meaning no birth nor death can ever be attributed to him.
How I met Babaji a informative video by a Engineer